The pop pair recently teamed up to perform Sofia from the latter's 2019 debut studio album Immunity at the Laneway Festival in Melbourne last week.
Charli has hinted they could make a guitar-based record like rock legend Reed.
In a video, she said of their duet: "I really had fun doing it and it got me thinking, what if we made a record with guitars or strings or both. Lou Reed era maybe, I dunno just saying."
Charli teasing a potential guitar record with Clairo - who also featured on her 2019 track February 2017 with Yaeji - comes after her producers revealed the 360 singer might go "anti-Brat" on her next album.
The Grammy winning dance pop star dominated 2024 with her acclaimed  album Brat, and her top collaborators spilled their conversations with Charli about what's next, including potentially doing "the complete opposite thing again".
Charli's lead producer A.G. Cook told Grammy.com when asked about new material: "Not truly, it's just loose chatting about things. (For Charli) the genesis of things is really about having an idea but then being very impulsive. I think you need a certain amount of space to do that."
Charli won three Grammy Awards for Brat - Best Dance/Electronic Album and Best Recording Package, while the track Von Dutch took Best Dance Pop Recording.
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